#!/usr/bin/python3
import teacher

class school:
    """A Classroom class"""
    def __init__(self, id , name ):
        self._id = id
        self._name = name
        self._grades = {}
    
    @property
    def id(self): return self._id

    @property
    def name(self): return self._name
    
    @property
    def grades(self): return self._grades
      
    def add_grade(self, new_grade):
        self._grades.__setitem__(new_grade.id, new_grade )
    
    

    def __repr__(self): 
        return repr(self._id, self._name )
        
        
def main():
 
    pass

if __name__ == "__main__": main()   